Fix Clippy For Rust 1.72

packages/yew-macro/tests/html_macro_test.rs

@@ -15,7 +15,7 @@ fn html_macro() {
  element which can't have any children."
 )]
 fn dynamic_tags_catch_void_elements() {
- html! {
+ let _ = html! {
  <@{"br"}>
  <span>{ "No children allowed" }</span>
  </@>
@@ -25,7 +25,7 @@ fn dynamic_tags_catch_void_elements() {
 #[test]
 #[should_panic(expected = "a dynamic tag returned a tag name containing non ASCII characters: `❤`")]
 fn dynamic_tags_catch_non_ascii() {
- html! {
+ let _ = html! {
  <@{"❤"}/>
  };
 }

packages/yew/src/dom_bundle/btext.rs

@@ -156,11 +156,11 @@ mod test {
 
  #[test]
  fn text_as_root() {
- html! {
+ let _ = html! {
  "Text Node As Root"
  };
 
- html! {
+ let _ = html! {
  { "Text Node As Root" }
  };
  }

packages/yew/src/virtual_dom/key.rs

@@ -82,7 +82,7 @@ mod test {
 
  #[test]
  fn all_key_conversions() {
- html! {
+ let _ = html! {
  <key="string literal">
  <img key={"String".to_owned()} />
  <p key={Rc::<str>::from("rc")}></p>

packages/yew/src/virtual_dom/vnode.rs

@@ -13,6 +13,7 @@ use crate::AttrValue;
 
 /// Bind virtual element to a DOM reference.
 #[derive(Clone, PartialEq)]
+#[must_use = "html does not do anything unless returned to Yew for rendering."]
 pub enum VNode {
  /// A bind between `VTag` and `Element`.
  VTag(Box<VTag>),